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Rb25Det Box To Rb25De Neo Motor

s13neo
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s13neo Contributor

s13neo

Posted
Posted

Hey fellas, couple questions

Will a 25det box bolt onto a 25de neo motor?

getting a new clutch/fly, should i be asking for a 25det or a 25de neo clutch/fly?

is it worth replacing the throwout bearing while its out and spigot bush?

the motor is out of an auto, is their anything im missing here, needed for a manual box, besides slave?

Im needing gearbox bellhousing bolts, can anyone link me to a thread with specs or part numbers to possibly buy new?

Got my mind set on a cushion button, can anyone give anyfeed back on this type of clutch?

Cheers Matt

Sorry for noob q's.

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Miguelone Grand Master

Miguelone

Posted
Posted

All RB's use the same clutch/flywheel. All RB's use the same bellhousing.

Do the throwout bearing and spigot bush if it makes you feel better, not urgent unless they're f**ked.

Other things you need... Clutch lines, fork, master, pedal.... I'm assuming you probably have a previously auto engine going into a manual shell?

These are the Nissan part #'s for bolts you need, will be about $30 all up.

0112105121 You need 4

3137715U00 You need 3

3137715U01 You need 1

Haven't used a cushion button clutch so can't comment on that.

The Dan Grand Master

The Dan

Posted
Posted

All RB's use the same clutch/flywheel. All RB's use the same bellhousing.

Do the throwout bearing and spigot bush if it makes you feel better, not urgent unless they're f**ked.

Other things you need... Clutch lines, fork, master, pedal.... I'm assuming you probably have a previously auto engine going into a manual shell?

These are the Nissan part #'s for bolts you need, will be about $30 all up.

0112105121 You need 4

3137715U00 You need 3

3137715U01 You need 1

Haven't used a cushion button clutch so can't comment on that.

That is incorrect. The turbo Neo uses a pull type clutch whereas the non turbo Neo uses the earlier push type setup. The bell housings have the same bolt pattern but they are most definitely not the same bell housing.

The Dan Grand Master

The Dan

Posted
Posted

However to answer this guys question, the turbo Rb25 gearbox from an R33 will bolt up and uses the same clutch as the N/A Neo.

You need to get rid of the auto spigot from the back of the crank and put in the bronze spigot for the manual instead. The tail shaft is also different so you will need the turbo shaft

Miguelone Grand Master

Miguelone

Posted
Posted

That is incorrect. The turbo Neo uses a pull type clutch whereas the non turbo Neo uses the earlier push type setup. The bell housings have the same bolt pattern but they are most definitely not the same bell housing.

Ah yeah forgot about pull/push. I know the bellhousings are different, I just meant as you said that they will all bolt up.

s13neo Contributor

s13neo

Posted
  • Author
Posted

cheers guys

got a rb25det box now, has fork, throwout and slave with line

and yes the motor was in a auto.

this is going in my s13 so tailshaft and what not will be different

cheers for the part numbers but they only sell them in packs of 10 so i cant just buy one bolt on its own ect

which eats dick

The Dan Grand Master

The Dan

Posted
Posted

cheers guys

got a rb25det box now, has fork, throwout and slave with line

and yes the motor was in a auto.

this is going in my s13 so tailshaft and what not will be different

cheers for the part numbers but they only sell them in packs of 10 so i cant just buy one bolt on its own ect

which eats dick

I'm pretty sure they are M10 x 60mm or 65mm. Measure the bell housing thickness where the bolts go through and add 15mm then add a spring washer to your bolt. That should give you 12mm of thread.

The Dan Grand Master

The Dan

Posted
Posted

new i read that elsewere, cheers guys

had another guy call saying he has manual rb25det belhousing bolts for 60 posted

bit rich but cbf stuffing around

cheers matt

I've got some second hand gear oil in a pan somewhere you can have for $10,000 if you couldn't be stuffed going to Repco?

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